A randomized 25 question test from a pool of 761 questions, good luck!
A typical DCS has at least four layers in it's architecture. Valves, switches and transmitters are all under the direct control of which of the layers below?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 inputs powered by 24Vdc, or 120Vac??
Ethernet has two common messaging types that are controller-to-controller defined in the application layer. Which of those messaging types can be described as only using multicast and peer-to-peer communication?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow observation and control of the plant?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is limited to 10 km or less?
Which of the antenna below would be best for point-to-point communication?
Due to the uncomplicated nature of the Modbus frame structure, it requires a simple access method. Which of the access methods below is a method that this frame structure supports?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the operators access the various HMI subsystems to interact with a process control system?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
IPv4 has several distinct classifications. Looking at the answers below, choose the one that contains all of the classifications.
There are several advanced alarm methods available that provide a greater level of functionality. Which of the methods below provide supplementary information about specific alarms to an operator?
In a DCS, there is a controller scan cycle priority that should have enough time to execute all tasks. Which of the answers below represents the about of free time for a loaded DCS controller to function?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links smaller networks together, but potentially on a global scale?
Which of the data transmission modes below best is described as a one way transmission?
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the input registers addresses?
I to P converters are best defined as which of the following answers?
Digital valve positioners are best defined as which of the following answers?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a Foundation Fieldbus protocol?
Which of the answers below is best represented by the number "1" on a typical H1 segment?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet input memory location?
Which of the messaging methods is best described as one that can only be initiated by the link master in the H1 transmission system?
The OSI model describes how a network should be arranged. Which of the layers below defines the media access method and the message frame structure?
Which of the terms below is best described as the devices,in general, that are the final connections off of a segments spur cable?
A DCS collects a lot of data during the course of operating. Which of the answers below best represents the number of databases commonly used in a DCS?